How do I write firmware for it to access an ISA card? If you're not sure, this project might not be applicable to your use case. In short, take a look at these pages ...
For Arduino UNO, please use the following jumper configuration: For Arduino Mega 2560, please use the following jumper configuration: Set power switch to 5V when using Arduino UNO. Set HM-10 TX and RX ...
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